12AU7: Difference between revisions

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[[File:Tube 12AU7A.jpg  |thumb|350px|right|12AU7A Tube ]]  
[[File:Tube 12AU7A.jpg  |thumb|350px|right|12AU7A Tube ]]  
{{Vacuum Tube
{{Vacuum Tube
|Type=Double Triode
|Type=Dual Triode
|Number=12AU7
|Number=12AU7
|EuroNumber=ECC82
|EuroNumber=ECC82

Revision as of 12:18, 6 July 2022

12AU7A Tube

The 12AU7  (European: ECC82) is a twin medium-μ triode vacuum tube with a center-tapped filament for use in either 6.3 V / 300 mA or 12.6 V / 150 mA heater circuits.

It is likely the first tube manufactured with a B9A (Noval) miniature 9-pin base (from 1946).

The 5814 is a high-rel version with increased heater current.

Tek part number: 154-0041-00, 154-0287-00

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
Type C Plug-in (V3203,V4203) 157-0025-00 All
Type D Plug-in 157-0049-00 All

Reference:

Tube aging procedure / Selection and checking procedure

Links

Used in